Let's start with the most basic and most important app tip. If you see a battery-saving app advertised within another app, perhaps as an annoying, flashing animation that warns you about your battery's imminent death, don't tap it.
These so-called apps are sometimes malware (malicious software) that in some cases actually try to steal your personal information. Download your apps instead from your service provider or authorized store, and only after reading other user reviews indicating that the app is legit.
How these apps work their supposed magic varies by developer. Some battery conservation apps are so-called task killers, which automatically shut down apps that attempt to launch themselves.
In theory, this is a great idea, but in some situations, those same apps will simply restart themselves, and then get shut down again, in a never-ending cycle that perhaps drains your battery even faster than before. Others also shut down both idle and active apps, which can wreak havoc on your phone's overall efficiency.
There's a better way to conserve battery life. On the next page, we'll show you how other apps can help.